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Cheap flights from Oregon to Sydney from $671

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Oregon to Sydney

Keep the following information in mind while searching for Oregon to Sydney flight deals. Data was last updated 21 February 2025.

Round-trip from

$1,370

One-way from

$671

Popular in

December

Cheapest in

February

Average price

$1,629
United Airlines
  • United Airlines
  • 2/6-14/6
  • 2 total stops
  • 46h 48m total
  • Oregon to Sydney
Search Deals
American Airlines
  • American Airlines
  • 10/3
  • 2 total stops
  • 24h 30m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($399 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($94 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Oregon to Sydney

Cheapest flights from Oregon to Sydney
Explore the most affordable flight options available from Oregon to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Mon 2/614:31BOI - SYD
1 stop24h 24mUnited Airlines
Sat 14/609:30SYD - BOI
1 stop22h 24mUnited Airlines
Deal found 21/2$1,370
Wed 11/614:02EUG - SYD
1 stop23h 53mUnited Airlines
Wed 25/610:20SYD - EUG
1 stop18h 55mUnited Airlines
Deal found 19/2$1,431
Mon 10/307:00PDX - SYD
2 stops30h 00mUnited Airlines
Sun 16/312:10SYD - PDX
1 stop30h 40mUnited Airlines
Deal found 20/2$1,442
Fri 12/917:10PDX - SYD
1 stop20h 25mDelta
Fri 26/909:25SYD - PDX
1 stop26h 51mDelta
Deal found 21/2$1,447
Sat 8/319:05PDX - SYD
2 stops32h 20mAir Canada
Mon 17/307:30SYD - PDX
2 stops25h 14mAir Canada
Deal found 20/2$1,453
Sat 14/619:40PDX - SYD
2 stops28h 00mMultiple Airlines
Sun 22/607:00SYD - PDX
2 stops19h 35mMultiple Airlines
Deal found 20/2$1,483
Sun 9/318:27PDX - SYD
1 stop20h 33mAlaska Airlines
Wed 9/409:10SYD - PDX
1 stop19h 20mAlaska Airlines
Deal found 21/2$1,723
Tue 12/813:26PDX - SYD
2 stops28h 09mAir New Zealand
Mon 25/809:55SYD - PDX
2 stops25h 41mAir New Zealand
Deal found 20/2$1,758
Mon 23/619:09RDM - SYD
1 stop18h 46mUnited Airlines
Mon 7/709:30SYD - RDM
2 stops44h 53mUnited Airlines
Deal found 20/2$1,790
Thu 13/307:15BOI - SYD
1 stop29h 50mDelta
Mon 24/313:15SYD - BOI
1 stop26h 35mDelta
Deal found 20/2$1,819
Mon 23/617:00RDM - SYD
2 stops22h 45mMultiple Airlines
Mon 7/709:55SYD - RDM
2 stops29h 12mMultiple Airlines
Deal found 21/2$1,845
Wed 11/605:45EUG - SYD
2 stops31h 50mDelta
Wed 25/609:25SYD - EUG
2 stops24h 06mDelta
Deal found 19/2$1,954

Find flights from Oregon to Sydney within your budget

Customise your flight search to find flights from Oregon to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 February 2025.

Fly from

Oregon

Fly to

Sydney

Route

Depart

Return

Price

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 2/6

14:31-06:55

1 stop24h 24m

Sydney Kingsford Smith

Sat 14/6

09:30-15:54

1 stop22h 24m

$1,370

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 11/6

14:02-06:55

1 stop23h 53m

Sydney Kingsford Smith

Wed 25/6

10:20-12:15

1 stop18h 55m

$1,431

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 10/3

07:00-07:00

2 stops30h 00m

Sydney Kingsford Smith

Sun 16/3

12:10-00:50

1 stop30h 40m

$1,442

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/3

19:05-22:25

2 stops32h 20m

Sydney Kingsford Smith

Tue 18/3

07:30-09:34

2 stops20h 04m

$1,453

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 4/3

16:20-06:50

1 stop19h 30m

Sydney Kingsford Smith

Thu 13/3

13:15-18:46

2 stops23h 31m

$1,455

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 14/6

19:40-16:40

2 stops28h 00m

Sydney Kingsford Smith

Sun 22/6

07:00-09:35

2 stops19h 35m

$1,483

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 12/8

13:26-10:35

2 stops28h 09m

Sydney Kingsford Smith

Mon 25/8

09:55-18:36

2 stops25h 41m

$1,758

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Mon 23/6

19:09-06:55

1 stop18h 46m

Sydney Kingsford Smith

Mon 7/7

09:30-13:23

2 stops44h 53m

$1,790

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 13/3

07:15-06:05

1 stop29h 50m

Sydney Kingsford Smith

Mon 24/3

13:15-22:50

1 stop26h 35m

$1,819

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 20/3

18:07-19:45

1 stop31h 38m

Sydney Kingsford Smith

Sun 30/3

21:40-05:05

1 stop25h 25m

$1,841

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 45 results
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Best time to book a flight from Oregon to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Oregon with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Oregon to Sydney

Get recent, data-driven insights about flights from Oregon to Sydney including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Oregon to Sydney?

Currently, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to SYD?

Find hourly flight availability from Oregon to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Sydney as you normally would.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 21 February 2025.
To help decide which airline to fly from Oregon to Sydney, see what other customers have to say about Air Tahiti Nui, ANA and Singapore Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very Good
836 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very Good
1,299 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Fiji Airways
8.0
Very Good
184 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very Good
8,213 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Overall

8.7

Crew

9.1

Food

7.8

Boarding

8.7

Entertainment

7.2

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Oregon?

    For a flight from Oregon to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

  • What are the cheapest airlines to fly from Oregon to Sydney one-way?

    One-way options have recently been found by users for as low as $671 on American Airlines. Other airlines that offer cheap prices include United Airlines from $676 and Alaska Airlines from $828 one-way.

  • What are the most popular routes from Oregon to Sydney?

    While some choose either Boise Air Term. Gowen Fld - Sydney Kingsford Smith or Bend/Redmond - Sydney Kingsford Smith, Portland - Sydney Kingsford Smith is the most popular route from Oregon to Sydney.

  • Can I find deals for flights from Oregon to Sydney that include hotel bookings?

    Yes. In addition to deals on Oregon to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Sydney.

  • Can I find deals for business class flights from Oregon to Sydney?

    Yes. Cheapflights offers flight deals from Oregon to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Oregon?

Book flights to Oregon if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Randwick
Manly
Penrith
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Bondi Beach
Lithgow
Leura
Swansea

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Top airline flying from Oregon to Sydney

Discover the top airline that operate flights from Oregon to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,177Average$1,825FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Oregon to Sydney?

Cheapflights makes it easy to find Oregon to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Oregon to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Oregon to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Oregon to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Oregon to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Oregon to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Oregon to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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